﻿#include <ctime>
#include <cstdlib>
#include <iostream>
#include <random>

using namespace std;

int main() {
	srand(time(NULL));
	int lucky = rand() % 10;

	cout << "今天的幸运数字是：" << lucky << endl;

	cout << __cplusplus << endl;

	cin.get();
}